its start and die i good fuel psi new fuel filter new fuel pump if i spray starting stuff in the intake it will good stop spraying it dies
Nov 11, 2012 at 12:57 AM
2002 CHEVROLET AVALANCHE
JOHNDAVEY
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check the fuel pressure. it may be a failed pump
Roy
Roy
Nov 11, 2012 at 1:00 AM
its new what the pressure got to be
Nov 11, 2012 at 1:04 AM
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Measure with the Key On Engine Off with the fuel pump commanded ON.
Vin (V,T,U)
Fuel Pressure (gasoline) 55-62 psi
Vin (Z)
Fuel Pressure (ethanol) 48-54 psi
These specifications are taken from the Fuel System Diagnosis. For complete testing of fuel pressures and volume see Fuel System Diagnosis, See: Powertrain Management\Computers and Control Systems\Testing and Inspection
Vin (V,T,U)
Fuel Pressure (gasoline) 55-62 psi
Vin (Z)
Fuel Pressure (ethanol) 48-54 psi
These specifications are taken from the Fuel System Diagnosis. For complete testing of fuel pressures and volume see Fuel System Diagnosis, See: Powertrain Management\Computers and Control Systems\Testing and Inspection
Nov 11, 2012 at 1:13 AM
thank be right back to tell u what it is and how do u fine what ie is in the vin how many # in
Nov 11, 2012 at 1:17 AM
8th digit
Roy
Roy
Nov 11, 2012 at 1:31 AM
key on pump run for 2 sec or so about 58 psi
Nov 11, 2012 at 1:34 AM
what do u think it is
Nov 11, 2012 at 1:39 AM
hmmmmm. 58 lbs. thats good enough to start it. there is no toggle for the injectors. i would check the crank sensor as it controls the injectors being toggled.
Roy
Roy
Nov 11, 2012 at 1:41 AM
how do u check that
Nov 11, 2012 at 1:43 AM
where is it on a 5.3L vortec
Nov 11, 2012 at 2:10 AM
how do u test a crank sensor on a 5.3 L vortec
Nov 11, 2012 at 2:45 PM
i put in a new crank sensor and it still doing it what could it be
Nov 11, 2012 at 11:07 PM